Regardless of who Democrats eventually pick to be their nominee, they have made history with a female candidate and an African American candidate. Senior Political Analyst Bill Schneider reports on new poll numbers which show whether Americans are ready to make history electing a woman or an African American.

Meanwhile, John McCain continues his “biography tour,” but how effective is his message. CNN’s Dana Bash reports from Florida on how well McCain’s background pitch is working.

Finally: it’s clear who former President Bill Clinton is supporting this election cycle, but today former President and superdelegate Jimmy Carter hinted he may support Obama. Brian Todd reports on what Carter said.